linux-kernel - Re: [RFC PATCH 0/3] generic hypercall support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 7 May 2009 22:47:44 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Gregory Haskins <gregory.haskins@...il.com>
Cc:	Avi Kivity <avi@...hat.com>, Gregory Haskins <ghaskins@...ell.com>,
	Chris Wright <chrisw@...s-sol.org>,
	linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
	Anthony Liguori <anthony@...emonkey.ws>
Subject: Re: [RFC PATCH 0/3] generic hypercall support

On Thursday 07 May 2009, Arnd Bergmann wrote:
> An easy way to deal with the pass-through case might be to actually use
> __raw_writel there. In guest-to-guest communication, the two sides are
> known to have the same endianess (I assume) and you can still add the
> appropriate smp_mb() and such into the code.

Ok, that was nonsense. I thought you meant pass-through to a memory range
on the host that is potentially shared with other processes or guests.
For pass-through to a real device, it obviously would not work.

	Arnd <><
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/